# NTSB ANC77DAG23: Cessna 170, N3076A, Montague Is, AK, October 4, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 4, 1976
- Place: Montague Is, AK · MONTAGUE IS, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 10, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156663
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC77DAG23
- Page: https://openairdocs.org/ntsb/ANC77DAG23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3877   76/10/4   MONTAGUE IS,AK      CESSNA 170          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 0900                    N3076A              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE UNK/NR, 1021 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 132 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BEACH RIVER
        DEPARTURE POINT             INTENDED DESTINATION
          MONTAGUE IS,AK              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- MAIN ATTACHING BOLT FOR LNDG GEAR LEG FAILED.
```

## Aircraft

- Registration: [N3076A](https://openairdocs.org/deregistered/N3076A-1977-07-11), registration cancelled 1977-07-11, S/N 25720, built 1952 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Beach River

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19761004039889A](https://openairdocs.org/incident/19761004039889A), Oct 4, 1976: Cessna 170B, Montague Is, AK, Substantial damage. Main attaching bolt for lndg gear leg failed.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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